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OpenAI: GPT-5.6 Luna (batch) vs MiniMax: MiniMax M3

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-08.

OpenAI: GPT-5.6 Luna (batch) MiniMax: MiniMax M3
Vendoropenaiminimax
Quality Score100100
Benchmark Score88.277.0
Input Price$0.10/M$0.30/M
Output Price$0.60/M$1.20/M
Context Window1,050,0001,048,576
Max Output128,000512,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index86.374.9
ai_index_agentic77.459.6
ai_index_coding100.096.6

Who wins by task?

TaskOpenAI: GPT-5.6 Luna (batch)MiniMax: MiniMax M3
SQL Generation 172 167
Code Review 167 162
Code Completion 133 133
Code Refactoring 164 160
Bug Fixing 180 174
Unit Test Generation 154 151
Code Documentation 143 142
Regex Writing 137 134
CI/CD Pipelines 144 141
Frontend Component Design 146 143
Data Analysis 171 164
CSV / Spreadsheet Cleanup 154 153
ETL Scripting 154 151
JSON Extraction 149 148
Bulk Data Labeling 135 135
OCR / Document Parsing 146 145
Table Extraction from PDFs 146 145
Long-Document Summarization 160 157
Short-Form Summarization 132 131
Blog Post Writing 140 138

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

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